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> Unreal Engine API Reference > Plugins > GeometricObjects > Spatial > TPointHashGrid2d > TPointHashGrid2d::FindNearestInRadius

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TPointHashGrid2d::FindNearestInRadius

Find nearest point in grid, within a given sphere, without locking / thread-safety.

Windows

MacOS

Linux

References

Module	GeometricObjects
Header	/Engine/Plugins/Experimental/GeometryProcessing/Source/GeometricObjects/Public/Spatial/PointHashGrid2.h
Include	#include "Spatial/PointHashGrid2.h"

Syntax

TPair< PointDataType, double > FindNearestInRadius
(
    const FVector2d & QueryPoint,
    double Radius,
    TFunction< double(const PointDataType &)> DistanceSqFunc,
    TFunction< bool> IgnoreFunc
) const

Remarks

Find nearest point in grid, within a given sphere, without locking / thread-safety.

Returns

the found pair (Value,DistanceFunc(Value)), or (InvalidValue,MaxDouble) if not found

Parameters

Parameter	Description
QueryPoint	the center of the query sphere
Radius	the radius of the query sphere
DistanceFunc	Function you provide which measures the distance between QueryPoint and a Value
IgnoreFunc	optional Function you may provide which will result in a Value being ignored if IgnoreFunc(Value) returns true

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